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CVE-2026-79650— Apache CXF: OIDC RP Open Redirect

Quick assessment

Affected
Apache Software Foundation Apache CXF
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache CXF 的 OIDC 依赖方组件在用户成功认证后，可能会将其重定向到由攻击者控制的 URL。该问题的原因在于，攻击者控制的 state 参数会被保留，并随后被用作重定向目标，但未验证最终解码后的 URI 是否属于信任提供方（RP）的域名。根据所使用的验证路径不同，直接编码或双重编码的外部 URL 均可触发此漏洞。建议用户升级到修复了该问题的版本，如 4.2.4、4.1.9 或 3.6.13。

AI Predicted 6.1 Difficulty: Moderate
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I. Basic Information for CVE-2026-79650

Vulnerability Information
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Vulnerability Title
Apache CXF: OIDC RP Open Redirect
Source: CVE Program / CVE List V5
Vulnerability Description
Apache CXF’s OIDC relying-party component could redirect users to an attacker-controlled URL after successful authentication. The issue occurs because attacker-controlled state parameters are preserved and later used as redirect targets without validating that the final decoded URI belongs to the RP’s origin. Both directly encoded and double-encoded external URLs can trigger the issue, depending on which validation path is used. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache CXF 4.2.0 ~ 4.2.4 -

II. Public POCs for CVE-2026-79650

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III. Intelligence Information for CVE-2026-79650

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Other References for CVE-2026-79650 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-09 · 13 CVEs total

CVE-2026-103413 8.8 HIGH Apache Camel Karavan: unvalidated Kubernetes resources applied from a project's kubernetes
CVE-2026-103412 8.8 HIGH Apache Camel Karavan: project file name path traversal when committing a project to Git
CVE-2026-108039 Apache CXF: Prevent unbounded XML document size in StaxUtils by adding default element and
CVE-2026-107938 Apache CXF: The Netty HTTP client transport does not perform TLS hostname verification.
CVE-2026-107937 Apache CXF: The attachment header size and count limits can be bypassed, which allows deni
CVE-2026-100227 Apache CXF: XML Signature wrapping in JAX-RS XML Security
CVE-2026-97791 Apache CXF: STSTokenValidator can accept untrusted SAML assertions because it shares valid
CVE-2026-97468 Apache CXF: Authentication bypass via weak cache keys for validated STS tokens
CVE-2026-86463 Apache CXF: FIQL Query Parser Denial of Service
CVE-2026-78384 Apache CXF: Unbounded DEFLATE Decompression in CXF JOSE/JWE and SAML Processing (Decompres
CVE-2026-73179 Apache CXF: JPA authorization-code consume is non-atomic
CVE-2026-71575 Apache CXF: Inoperative max_age authentication-freshness check in OidcClientCodeRequestFil

IV. Related Vulnerabilities

Same product: Apache CXF
Same vendor: Apache Software Foundation
Same weakness: CWE-601

V. Comments for CVE-2026-79650

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